Quiz #3 Name: Jaime A. Hendricks Jr. ASTR 100 Due in your Assignment Folder by 07/14/13 This quiz is worth 8% of Your Grade. You are free to use your textbook‚ notes‚ etc. to answer these questions. If you use any web sources‚ please note these in your responses. 1. Explain three differences between terrestrial and Jovian planets. -Three differences between terrestrial and Jovian planets are first their surfaces. Terrestrial planet’s surface is made of solid and Jovian
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made as a result. The contribution he made was that he perceived the spectra of the spiral nebulae and uncovered galactic redshifts. Also‚ Slipher learned that most of the objects were moving away from us at high speeds. Because of this discovery Hubble correlated Slipher’s measurements with distance. He calculated by other means to devise his law which was that the farther away the galaxy was the faster it was moving away from us.
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are made of star stuff? 8. What is the Sun mainly made of? 9. What is an astronomical unit? Parsec? Light year? 10. What important discovery did Hubble make about distant galaxies that led us to the conclusion that the universe is expanding? 11. Identify: a. Ptolemy b. Copernicus c. Tycho d. Kepler e. Galileo f. Newton g. Einstein h. Hubble (Tell what each individual discovered; be thorough!) 12. What does E represent in Einstein’s equation E = mc^2? 13. What does the HR Diagram tell
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suggests that the distant star is moving away from us as red light has a larger wavelength. The diagram below is a spectral comparison of light from our sun and light from the distant __________. But it was Edward Hubble in 1929 that gathered enough evidence to justify Lemaire’s theory. Hubble observed that distant galaxies in every direction are going away from the earth at speeds proportional to their distance.
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Chapter 1: Brief Description: This chapter chronicles the works of Albert Einstein‚ predominantly his dual theories of Special Relativity and General Relativity. Special Relativity involves time‚ which was established as subjective and relative to the object in question. He also worked to establish the consistency of the speed of light as a daunting measure which cannot be surpassed (E=MC2). His General Theory of Relativity pushed forth the idea that space and time were not independent‚ but rather
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Michaellia Crebbs Professor Vidmar English 102 17 September‚ 2013 Christopher Columbus; Hero or Villain In 1492‚ Christopher Columbus‚ discovered America. More than 500 years later Columbus Day is a national holiday. Statues are up‚ even in Pueblo‚ and thanks are given for what he has done for us. We learn about him in grade school and we are told of his brave adventures. However twenty years later in my first history class another picture is being painted of Columbus; not from my History
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which we see. The extreme brightness of the O-type and B-type stars‚ coupled with the Earth’s atmosphere‚ has always made high-resolution imaging of the star-forming region difficult. But recent advances in adaptive optics and the repair of the Hubble Space Telescope have allowed for incredible detail into the center of the dust cloud. 3 The technological advances have also helped reveal several faint stars within the
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photovoltaic cells. ‘Solar panels’‚ as they are usually called‚ are now quite a common sight here on Earth‚ but they were first used in space in 1958 to power the ‘Vanguard’ satellite. Principles of solar satellites In photovoltaic cells‚ such as the Hubble Space Telescope silicon solar cell shown here‚ the basic materials‚ the doping and the shape of the junction are chosen in such a way as to increase their capability of transforming the light energy into electrical energy. Each cell is capable of
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Name: Date: Final Section-1 Type the letter that represents the best answer to each of the multiple choice questions. Answer all questions in this section. Each question is worth 1 point. This section is worth 40 points. [1] In the scientific method‚ a hypothesis is _____. A ) is a statement of fact B ) makes a prediction that can be tested C ) is usually proven to be correct D ) can only be tested once E ) all of these [2] Which of the following can be considered a definition
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